OpenVPN - Setting up the CA

OpenVPN provides scripts in/usr/local/share/examples/openvpn/easy-rsa

Edit  vars

Run the script to build the CA:  ./build-ca

Build the server certificate:  ./build-key-server server

Build the client certficates:  ./build-key client1

Build Diffie-Hellmann parameters:./build-dh

Copy client certificate, client key and CA certificate to the client